1B03:
reference: A cis proline turn linking two beta-hairpin strands in the solution structure of an antibody-bound HIV-1IIIB V3 peptide., Tugarinov V, Zvi A, Levy R, Anglister J, Nat Struct Biol 1999 Apr;6(4):331-5. PMID: 10201400

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).